<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <style>
        div{
            width: 100px;
            height: 150px;
            background-color: skyblue;
            margin: 0 auto;
            border-left: 50px solid violet;
            border-right: 50px solid violet;
            border-bottom: 40px solid mediumspringgreen;
            border-top: 10px solid mediumspringgreen;
            /* border-radius: 100%; */
            border-radius: 100px;
        }
    </style>
</head>
<body>
    <div></div>
</body>
</html>